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%I M3350 #12 Jun 28 2017 17:16:27
%S 1,4,9,11,14,16,21,25,30,36,41,44,49,52,54,64,69,71,81,84,86,92,100,
%T 105,120,121,126,136,141,144,149,164,169,174,189,196,201,208,216,225,
%U 230,245,252
%N N-positions in Epstein's Put or Take a Square game.
%D R. K. Guy, Unsolved Problems in Number Theory, E26.
%D N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
%H R. K. Guy, <a href="/A005240/a005240.pdf">Letter to N. J. A. Sloane, Aug 1975</a>
%Y Cf. A005240.
%K nonn
%O 1,2
%A _N. J. A. Sloane_.